rickets is a nutritional disorder that can develop if you do not get enough vitamin d calcium or phosphate rickets leads to poor functioning of a bone s growth plate growing edge softened and weakened bones stunted growth and in severe cases skeletal deformities
Hence, a 20-year period of the patent usually gives manufacturers a chance to recoup the cost of developing a new drug. When a drug patent expires, any pharmaceutical company can manufacture and sell the drug. A drug, which is produced and distributed without patent protection is called a generic drug.
The patent law provides that the life of a patent is no longer than 20 years from the date that the patent application was filed, and no shorter than 17 years from issuance. Depending upon how fast the patent office issues your patent can significantly impact the total length of the patent term.